Auth bypass in Light0011 Cms
CVE-2026-86306
A weakness has been identified in light0011 cms c774dce31c6df0055568a8d5c53d964d99be199d/f72cf46f601efb2a0618c3814cc2f61380b38930. This affects an unknown part of the file App/Home/Model/UserModel.class.php of the component Cookie Helper. Executing a manipulation of the argument Username can lead to improper authentication. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks. This product utilizes a rolling release system for continuous delivery, and as such, version information for affected or updated releases is not disclosed. The project was informed of the problem early through an issue report but has not responded yet.
Vulnerability class: Broken Authentication
CVSS v3 metric
CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.
Affected products
- Light0011 Cms — versions c774dce31c6df0055568a8d5c53d964d99be199d, f72cf46f601efb2a0618c3814cc2f61380b38930
Weakness classification (CWE)
References
- cna@vuldb.com (technical-description, vdb-entry)
- cna@vuldb.com (signature, permissions-required)
- cna@vuldb.com (third-party-advisory)
- cna@vuldb.com (third-party-advisory)
- cna@vuldb.com (issue-tracking, exploit)
- cna@vuldb.com (product)
Frequently asked questions
- What is CVE-2026-86306?
- CVE-2026-86306 is a high-severity vulnerability in Light0011 Cms, classified under Improper Authentication. CVSS score: 7.3/10. Published 2026-09-07.
- How severe is CVE-2026-86306?
- High severity. CVSS v3 base score is 7.3 out of 10.